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Loren B. Sheldon
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Houston, TX, US
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last 30 patents
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Patent Grant
Apparatus for sensing a distended location on a drill pipe
Patent number
4,327,261
Issue date
Apr 27, 1982
BJ-Hughes Inc.
Loren B. Sheldon
E21 - EARTH DRILLING MINING
Information
Patent Grant
Power tongs control arrangement
Patent number
4,202,225
Issue date
May 13, 1980
Loren B. Sheldon
E21 - EARTH DRILLING MINING
Information
Patent Grant
Computer-controlled oil drilling rig having drawworks motor and bra...
Patent number
4,187,546
Issue date
Feb 5, 1980
BJ-Hughes Inc.
James P. Heffernan
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Electro-hydraulic interface for a power tongs
Patent number
4,163,401
Issue date
Aug 7, 1979
BJ-Hughes Inc.
Loren B. Sheldon
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Elevator load control arrangement for a computer-controlled oil dri...
Patent number
4,139,891
Issue date
Feb 13, 1979
BJ-Hughes Inc.
Loren B. Sheldon
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Velocity control arrangement for a computer-controlled oil drilling...
Patent number
4,128,888
Issue date
Dec 5, 1978
BJ-Hughes Inc.
Loren B. Sheldon
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Block position and speed transducer for a computer-controlled oil d...
Patent number
4,119,837
Issue date
Oct 10, 1978
BJ-Hughes Inc.
Loren B. Sheldon
G05 - CONTROLLING REGULATING
Information
Patent Grant
Automated pipe handling system
Patent number
4,042,123
Issue date
Aug 16, 1977
Loren B. Sheldon
E21 - EARTH DRILLING MINING